Home / 9,358,936.80-14,038,405.20-8,792,066.40

Finding the Fourth Proportional to 9,358,936.80, 14,038,405.20 and 8,792,066.40

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Solution

The fourth proportional to 9,358,936.80, 14,038,405.20 and 8,792,066.40 is: 13,188,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,936.80 : 14,038,405.20 = 8,792,066.40 : x
  2. Step 2: Convert to fraction form
    9,358,936.80/14,038,405.20 = 8,792,066.40/x
  3. Step 3: Cross multiply
    9,358,936.80x = 14,038,405.20 × 8,792,066.40
  4. Step 4: Simplify right side
    9,358,936.80x = 123,426,590,668,505.28
  5. Step 5: Solve for x
    x = 123,426,590,668,505.28/9,358,936.80
  6. Step 6: Final answer
    x = 13,188,099.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.